Global Patent Index - EP 2133429 A1

EP 2133429 A1 20091216 - An L-cysteine-producing bacterium and a method for producing L-cysteine

Title (en)

An L-cysteine-producing bacterium and a method for producing L-cysteine

Title (de)

L-Zystein-produzierendes Bakterium und Verfahren zur Herstellung von L-Zystein

Title (fr)

Bactérie productrice de L-cystéine et procédé de production de L-cystéine

Publication

EP 2133429 A1 20091216 (EN)

Application

EP 09003106 A 20090304

Priority

JP 2008056362 A 20080306

Abstract (en)

The present invention provides a bacterium belonging to the family Enterobacteriaceae which has L-cysteine-producing ability and has been modified to decrease the activity of the protein encoded by the yhaM gene. This bacterium is cultured in a medium, and L-cysteine, L-cystine, their derivatives, or a mixture thereof is collected from the medium.

IPC 8 full level

C12P 13/12 (2006.01); C12N 1/20 (2006.01); C12R 1/19 (2006.01)

CPC (source: EP US)

C07K 14/245 (2013.01 - EP US); C12N 1/20 (2013.01 - EP US); C12P 13/12 (2013.01 - EP US)

Citation (applicant)

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Citation (search report)

  • [A] US 2005112731 A1 20050526 - KASHIWAGI TATSUKI [JP], et al
  • [A] MASARU WADA ET AL: "Metabolic pathways and biotechnological production of l-cysteine", APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, SPRINGER, BERLIN, DE, vol. 73, no. 1, 5 October 2006 (2006-10-05), pages 48 - 54, XP019441738, ISSN: 1432-0614
  • [A] TAKAGI HIROSHI ET AL: "Overproduction of L-cysteine and L-cystine by expression of genes for feedback inhibition-insensitive serine acetyltransferase from Arabidopsis thaliana in Escherichia coli", FEMS MICROBIOLOGY LETTERS, BLACKWELL PUBLISHING, AMSTERDAM, NL, vol. 179, no. 2, 15 October 1999 (1999-10-15), pages 453 - 459, XP002209321, ISSN: 0378-1097
  • [A] DENK D ET AL: "L-CYSTEINE BIOSYNTHESIS IN ESCHERICHIA COLI: NUCLEOTIDE SEQUENCE AND EXPRESSION OF THE SERINE ACETYLTRANSFERASE (CYSE) GENE FROM THE WILD-TYPE AND A CYSTEINE-EXCRETING MUTANT", JOURNAL OF GENERAL MICROBIOLOGY, SOCIETY FOR MICROBIOLOGY, READING, GB, vol. 133, no. 3, 1 March 1987 (1987-03-01), pages 515 - 525, XP000617605, ISSN: 0022-1287
  • [A] DATABASE UniProt [online] 1 November 1995 (1995-11-01), "RecName: Full=UPF0597 protein yhaM;", XP002552175, retrieved from EBI accession no. UNIPROT:P42626 Database accession no. P42626

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

US 2009226983 A1 20090910; US 8008048 B2 20110830; AT E494384 T1 20110115; DE 602009000521 D1 20110217; EP 2133429 A1 20091216; EP 2133429 B1 20110105; JP 2009207460 A 20090917; JP 5332237 B2 20131106

DOCDB simple family (application)

US 39766609 A 20090304; AT 09003106 T 20090304; DE 602009000521 T 20090304; EP 09003106 A 20090304; JP 2008056362 A 20080306